JP2006131173A - Electric train line monitoring system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electric train line monitoring system capable of grasping the state for each electric train line equipment by providing an ID tag on the equipment, and correctly performing the comprehensive monitor. <P>SOLUTION: The electric train line monitoring system comprises an equipment monitoring set 1 to be mounted on an object to be monitored such as a feeder line, and an ID tag reader 2 mounted on an electric train Tr or carried by an inspection person P. The equipment monitoring set 1 comprises a measurement unit 3 to detect various kinds of state quantity, a transmission-reception unit 4 to record the state quantity in an ID tag as the data and transmit/receive the data, and a power supply unit 5. The measurement unit 3 has a sensor 3a to detect various kinds of state quantity such as the current in the feeder line and the temperature of a connection part. The transmission-reception unit 4 has an ID tag 4a capable of reading and writing various kinds of monitoring data by the equipment ID and the sensor 3a, and transmitting the data by the ID tag reader 2 through radio waves, and an MPU 4b to control the operation. The power supply unit 5 is mainly required for transmission and reception of the ID tag 2 and the drive of the MPU 4b, and has a solar cell 5b to charge a secondary cell 5a. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a train line monitoring system in which an ID tag capable of reading and writing data is attached to a train line facility together with various sensors, and the facility is monitored by collecting data by radio waves from the ID tag using a tag reader.

Conventionally, for example, it has been proposed to check a connection failure in a connection portion of an electric circuit such as a feeder line arranged along a train track by managing a temperature accompanying heat generation by an electric resistance (see Patent Document 1). In this case, as the temperature measuring means, the temperature indicating color changing member such as a temperature indicating label affixed to the temperature management member and the temperature changing color changing member are monitored, and the temperature indication color changing when the temperature of the temperature management member reaches a predetermined value. The temperature management device is constituted by a color sensor that detects a set color indicated by the member and sends a predetermined electric signal.
JP-A-10-115560

In the above-mentioned conventional apparatus, the state of the equipment is limited to temperature, and monitoring means according to the equipment cannot be freely adopted, so it is difficult to perform accurate and comprehensive monitoring of the train line equipment. . In addition, the mounting of a color camera head constituting the color sensor on a vehicle becomes relatively large, and the cost increases.
Therefore, the present invention provides a train line monitoring system in which an ID tag is provided in a train line facility so that an optimal and detailed state can be grasped for each facility, and comprehensive monitoring can be performed easily, accurately and at low cost. The challenge is to do.

In order to solve the above-mentioned problem, in the first invention, the monitoring target in the train line facility is connected to the monitoring target object together with the facility ID for identifying the monitoring target and the ID tag 4a capable of reading and writing the monitoring information. The sensor 3a for detecting the state is attached, and the monitoring information detected by the sensor 3a is written to the ID tag 4a by the control unit 4, and the monitoring information is read from the ID tag 4a together with the equipment ID by the ID tag reader 2, thereby monitoring the train line equipment. A train track monitoring system to be utilized was constructed.
In 2nd invention, the sensor 3a was comprised with the current sensor which detects the electric current value which flows into the feeder L.
In 3rd invention, the sensor 3a was comprised with the temperature sensor which detects the temperature of the connection part of the feeder L. In FIG.
In 4th invention, the sensor 3a was comprised with the displacement sensor which detects the displacement of the heavy cone of the tension adjustment apparatus Te of the trolley line T. In FIG.
In 5th invention, the sensor 3a was comprised with the pressure sensor which detects the pressure of the balancer B in the tension adjustment apparatus Te of the trolley wire T. In FIG.
In the sixth aspect of the invention, the power source 5 for transmitting the information written in the ID tag 4a to the ID tag reader 2 is provided.
In the seventh invention, the power source 5 is provided with a solar cell 5b for charging.

  In the present invention, the state of each facility on the train track can be individually collected and grasped in detail by an optimum sensor according to the facility, and comprehensive monitoring of the entire train track can be easily and accurately performed. And it has the effect that it can carry out at low cost.

An embodiment of the present invention will be described with reference to the drawings.
In FIG. 1, a monitoring system for a train track is a facility monitoring set 1 attached to a feeder L which is an example of a monitoring object on the train track, and an ID tag reader 2 attached to a train vehicle Tr or carried by an inspection worker P. It consists of.

  As shown in FIG. 2, the equipment monitoring set 1 includes a measurement unit 3 that detects various state quantities, a transmission / reception part 4 that records state quantities and the like as data in an ID tag, and performs transmission / reception processing, and a power supply part 5. ing.

  The measuring unit 3 includes a sensor 3a that detects various state quantities, and a conversion / amplifier 3b that amplifies an output signal from the sensor 3a and converts it into a digital signal. As the sensor 3a, for example, a current sensor that measures the current of the feeder line L, a temperature sensor attached to the connection sleeve of the feeder line L, or the like can be used.

  The transmission / reception unit 4 can read and write the equipment ID and various types of monitoring information, and can calculate data from the ID tag 4a and the sensor 3a, and the maximum, minimum, and average of the current that can be transmitted and received by the ID tag reader 2. MPU 4b which records new data obtained by processing the data such as the ID tag 4a and performs operation control according to a control program stored in the memory 4c so as to operate intermittently at a preset time or a predetermined time interval, for example. Have Various commercially available ID tags can be applied to the ID tag 4a and the ID tag reader 2.

  The power supply unit 5 is mainly required for transmission / reception of the ID tag 2 and driving of the MPU 4b and the like, and includes a solar battery 5b for charging the daytime secondary battery 5a. Moreover, a coil can be wound around an electric wire and the induced voltage can be used as a power source. When the ID tag 4a does not require long-distance transmission, the power supply unit 5 is not necessary as a power supply for that purpose.

  In this train line monitoring system, the equipment monitoring set 1 is attached to the connection portion of the feeder line L, and the current value is measured by the current sensor 3a. The current value is subjected to data processing by the MPU 4b, and the maximum value, minimum value, and average value are recorded in the ID tag 4a. The data recorded in the ID tag 4a is read along with the facility ID recorded in advance while the train Tr is running by the ID tag reader 2 attached to the train Tr, or by the ID tag reader 2 carried by the inspection operator P. It is read and collected on site. These data are temporarily stored in the portable information terminal connected to the on-board device and ID tag reader 2 in the vehicle, and for comprehensive maintenance and management of the ward, etc. after the operation of the vehicle or at any time through the communication line. It is incorporated into the maintenance management system and is effectively used to grasp the detailed status of each facility.

  As shown in FIGS. 3 and 4, the equipment monitoring set 1 can be attached to the sleeve S at the connection portion of the feeder line L. In this case, the equipment monitoring set 1 includes a temperature sensor 3a and a current sensor 3a, and detects the current value of the feeder line L together with the temperature of the sleeve S and records it on the ID tag 4a.

  Moreover, the equipment monitoring set 1 can be attached to the automatic tension adjusting device Te of the trolley wire T as shown in FIG. In this case, the displacement sensor 3a is provided on the support portion of the weight Te1 that moves up and down according to the tension of the trolley wire T by the automatic tension adjusting device T, and the tension of the trolley wire T corresponding to the displacement can be detected. Further, an automatic tension adjusting device such as a gas spring type using pressure can detect the gas pressure with a sensor to detect the tension.

  Moreover, as shown in FIG. 6, the equipment monitoring set 1 is attached to the movable bracket B that supports the suspension line M, and measures the displacement amount (push-up amount) of the trolley wire T and the stress (strain) of the trolley wire T. be able to.

  In addition, this invention is not limited to said each embodiment, The sensor which can detect the various state quantities required for monitoring of a track line installation can be selected and applied according to installation.

  INDUSTRIAL APPLICABILITY The present invention is effective for attaching to a train track facility, detecting a state quantity necessary for monitoring the facility, recording it in an ID tag, reading it out, and utilizing the data in a maintenance management system.

It is the schematic of the monitoring system for train tracks which concerns on this invention. It is a schematic block diagram of an equipment monitoring set. It is a block diagram of the train track which attached the equipment monitoring set. It is a schematic block diagram of the equipment monitoring set attached to the connection sleeve of a feeder. It is a front view of the automatic tension adjustment apparatus which attached the equipment monitoring set. It is a perspective view of the movable bracket which attached the equipment monitoring set.

Explanation of symbols

L feeder 1 Equipment monitoring set 2 ID tag reader 3 Measuring unit 3a Sensor 4 Transceiver 4a ID tag 4b MPU
5 Power supply unit 5a Secondary battery 5b Solar battery

Claims (7)

An ID tag that is attached to a monitoring object in a train track facility and identifies the monitoring object, and an ID tag that can read and write monitoring information;
A sensor for detecting a state of the monitoring object;
A controller that writes monitoring information detected by the sensor to the ID tag;
An ID tag reader that reads equipment ID and monitoring information from the ID tag;
A monitoring system for a train track, wherein the monitoring information read by the ID tag reader is utilized for monitoring of the train track facility.   The train line monitoring system according to claim 1, wherein the sensor is a current sensor that detects a current value flowing through a feeder line.   The train line monitoring system according to claim 1, wherein the sensor is a temperature sensor that detects a temperature of a connection portion of a feeder line.   The train line monitoring system according to claim 1, wherein the sensor is a displacement sensor that detects a displacement of a heavy cone of a tension adjusting device for a trolley wire.   The train line monitoring system according to claim 1, wherein the sensor is a pressure sensor that detects a pressure of a balancer in a tension adjusting device for a trolley wire.   The equipment monitoring set for a train track monitoring system according to claim 1, further comprising a power source for transmitting information in which the ID tag is written to an ID tag reader. The train line monitoring system according to claim 6, wherein the power source includes a solar battery.

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